[thirdparty/cups.git] / scheduler / server.c

/*
 * "$Id: server.c,v 1.5 2002/12/17 19:00:18 swdev Exp $"
 *
 *   Server start/stop routines for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1997-2003 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products and are protected by Federal
 *   copyright law.  Distribution and use rights are outlined in the file
 *   "LICENSE.txt" which should have been included with this file.  If this
 *   file is missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636-3111 USA
 *
 *       Voice: (301) 373-9603
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 * Contents:
 *
 *   StartServer() - Start the server.
 *   StopServer()  - Stop the server.
 */

/*
 * Include necessary headers...
 */

#include "cupsd.h"

#include <grp.h>

#ifdef HAVE_LIBSSL
#  include <openssl/ssl.h>
#  include <openssl/rand.h>
#endif /* HAVE_LIBSSL */


/*
 * 'StartServer()' - Start the server.
 */

void
StartServer(void)
{
#ifdef HAVE_LIBSSL
  int		i;		/* Looping var */
  struct timeval curtime;	/* Current time in microseconds */
  unsigned char	data[1024];	/* Seed data */
#endif /* HAVE_LIBSSL */


#ifdef HAVE_LIBSSL
 /*
  * Initialize the encryption libraries...
  */

  SSL_library_init();
  SSL_load_error_strings();

 /*
  * Using the current time is a dubious random seed, but on some systems
  * it is the best we can do (on others, this seed isn't even used...)
  */

  gettimeofday(&curtime, NULL);
  srand(curtime.tv_sec + curtime.tv_usec);

  for (i = 0; i < sizeof(data); i ++)
    data[i] = rand(); /* Yes, this is a poor source of random data... */

  RAND_seed(&data, sizeof(data));
#endif /* HAVE_LIBSSL */

 /*
  * Startup all the networking stuff...
  */

  StartListening();
  StartBrowsing();
  StartPolling();
}


/*
 * 'StopServer()' - Stop the server.
 */

void
StopServer(void)
{
 /*
  * Close all network clients and stop all jobs...
  */

  CloseAllClients();
  StopListening();
  StopPolling();
  StopBrowsing();

  if (Clients != NULL)
  {
    free(Clients);
    Clients = NULL;
  }

  StopAllJobs();

 /*
  * Close all log files...
  */

  if (AccessFile != NULL)
  {
    fclose(AccessFile);

    AccessFile = NULL;
  }

  if (ErrorFile != NULL)
  {
    fclose(ErrorFile);

    ErrorFile = NULL;
  }

  if (PageFile != NULL)
  {
    fclose(PageFile);

    PageFile = NULL;
  }

 /*
  * Clear the input and output sets...
  */

  FD_ZERO(&InputSet);
  FD_ZERO(&OutputSet);
}


/*
 * End of "$Id: server.c,v 1.5 2002/12/17 19:00:18 swdev Exp $".
 */
Commit	Line	Data
89db771d	1	/*
997fbfa7	2	* "$Id: server.c,v 1.5 2002/12/17 19:00:18 swdev Exp $"
89db771d	3	*
	4	* Server start/stop routines for the Common UNIX Printing System (CUPS).
	5	*
997fbfa7	6	* Copyright 1997-2003 by Easy Software Products, all rights reserved.
89db771d	7	*
	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE.txt" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
	14	*
	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
	17	* 44141 Airport View Drive, Suite 204
	18	* Hollywood, Maryland 20636-3111 USA
	19	*
	20	* Voice: (301) 373-9603
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
	23	*
	24	* Contents:
	25	*
	26	* StartServer() - Start the server.
	27	* StopServer() - Stop the server.
	28	*/
	29
	30	/*
	31	* Include necessary headers...
	32	*/
	33
	34	#include "cupsd.h"
	35
7a91f14b	36	#include <grp.h>
7a91f14b	37
89db771d	38	#ifdef HAVE_LIBSSL
	39	# include <openssl/ssl.h>
	40	# include <openssl/rand.h>
	41	#endif /* HAVE_LIBSSL */
	42
	43
	44	/*
	45	* 'StartServer()' - Start the server.
	46	*/
	47
	48	void
	49	StartServer(void)
	50	{
	51	#ifdef HAVE_LIBSSL
	52	int i; /* Looping var */
	53	struct timeval curtime; /* Current time in microseconds */
	54	unsigned char data[1024]; /* Seed data */
	55	#endif /* HAVE_LIBSSL */
	56
	57
	58	#ifdef HAVE_LIBSSL
	59	/*
	60	* Initialize the encryption libraries...
	61	*/
	62
	63	SSL_library_init();
	64	SSL_load_error_strings();
	65
	66	/*
	67	* Using the current time is a dubious random seed, but on some systems
	68	* it is the best we can do (on others, this seed isn't even used...)
	69	*/
	70
	71	gettimeofday(&curtime, NULL);
	72	srand(curtime.tv_sec + curtime.tv_usec);
	73
	74	for (i = 0; i < sizeof(data); i ++)
	75	data[i] = rand(); /* Yes, this is a poor source of random data... */
	76
	77	RAND_seed(&data, sizeof(data));
	78	#endif /* HAVE_LIBSSL */
	79
	80	/*
	81	* Startup all the networking stuff...
	82	*/
	83
	84	StartListening();
	85	StartBrowsing();
	86	StartPolling();
89db771d	87	}
	88
	89
	90	/*
	91	* 'StopServer()' - Stop the server.
	92	*/
	93
	94	void
	95	StopServer(void)
	96	{
	97	/*
	98	* Close all network clients and stop all jobs...
	99	*/
	100
	101	CloseAllClients();
	102	StopListening();
	103	StopPolling();
	104	StopBrowsing();
	105
	106	if (Clients != NULL)
	107	{
	108	free(Clients);
	109	Clients = NULL;
	110	}
	111
	112	StopAllJobs();
	113
	114	/*
	115	* Close all log files...
	116	*/
	117
	118	if (AccessFile != NULL)
	119	{
	120	fclose(AccessFile);
	121
	122	AccessFile = NULL;
	123	}
	124
	125	if (ErrorFile != NULL)
	126	{
	127	fclose(ErrorFile);
	128
	129	ErrorFile = NULL;
	130	}
	131
	132	if (PageFile != NULL)
	133	{
	134	fclose(PageFile);
	135
	136	PageFile = NULL;
	137	}
	138
	139	/*
	140	* Clear the input and output sets...
	141	*/
	142
	143	FD_ZERO(&InputSet);
	144	FD_ZERO(&OutputSet);
	145	}
	146
	147
	148	/*
997fbfa7	149	* End of "$Id: server.c,v 1.5 2002/12/17 19:00:18 swdev Exp $".
89db771d	150	*/